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The preservation and manipulation of a spin state mainly depends on the strength of the spin-orbit interaction. For pristine graphene, the intrinsic spin-orbit coupling (SOC) is only in the order of few ueV, which makes it almost impossible…

Mesoscale and Nanoscale Physics · Physics 2015-12-03 Ahmet Avsar , Jong Hak Lee , Gavin Kok Wai Koon , Barbaros Ozyilmaz

We analyze the origin of spin-orbit coupling (SOC) in fluorinated graphene using Density Functional Theory (DFT) and a tight-binding model for the relevant orbitals. As it turns out, the dominant source of SOC is the atomic spin-orbit of…

Mesoscale and Nanoscale Physics · Physics 2016-03-16 R. M. Guzmán-Arellano , A. D. Hernández-Nieves , C. A. Balseiro , Gonzalo Usaj

First-principles calculations of the spin-orbit coupling in graphene with hydrogen adatoms in dense and dilute limits are presented. The chemisorbed hydrogen induces a giant local enhancement of spin-orbit coupling due to $sp^3$…

Mesoscale and Nanoscale Physics · Physics 2013-06-18 Martin Gmitra , Denis Kochan , Jaroslav Fabian

We report on theoretical investigations of the spin-orbit coupling effects in fluorinated graphene. First-principles density functional calculations are performed for the dense and dilute adatom coverage limits. The dense limit is…

Mesoscale and Nanoscale Physics · Physics 2015-04-07 Susanne Irmer , Tobias Frank , Sebastian Putz , Martin Gmitra , Denis Kochan , Jaroslav Fabian

Spin-orbit coupling (SOC) can provide essential tools to manipulate electron spins in two-dimensional materials like graphene, which is of great interest for both fundamental physics and spintronics application. In this paper, we report the…

Mesoscale and Nanoscale Physics · Physics 2021-10-12 Shimin Cao , Chuanwu Cao , Shibing Tian , Jian-Hao Chen

Spin-orbit coupling (SOC) is a fundamental interaction in solids which can induce a broad spectrum of unusual physical properties from topologically non-trivial insulating states to unconventional pairing in superconductors. In iron-based…

Many of the exotic properties proposed to occur in graphene rely on the possibility of increasing the spin orbit coupling (SOC). By combining analytical and numerical tight binding calculations, in this work we study the SOC induced by…

Materials Science · Physics 2016-01-11 Luis Brey

Van der Waals interactions with transition metal dichalcogenides was shown to induce strong spin-orbit coupling (SOC) in graphene, offering great promises to combine large experimental flexibility of graphene with unique tuning capabilities…

Mesoscale and Nanoscale Physics · Physics 2023-10-03 Qing Rao , Wun-Hao Kang , Hongxia Xue , Ziqing Ye , Xuemeng Feng , Kenji Watanabe , Takashi Taniguchi , Ning Wang , Ming-Hao Liu , Dong-Keun Ki

We investigate the superfluidity of attractive Fermi gas in a square optical lattice with spin-orbit coupling (SOC). We show that the system displays a variety of new filling-dependent features. At half filling, a quantum phase transition…

Quantum Gases · Physics 2015-06-15 Q. Sun , G. -B. Zhu , W. -M. Liu , A. -C. Ji

Spin-orbit coupling (SOC) has played an important role in many topological and correlated electron materials. In graphene-based systems, SOC induced by transition metal dichalcogenide (TMD) at proximity was shown to drive topological states…

We report on the influence of spin-orbit coupling (SOC) in the Fe-based superconductors (FeSCs) via application of circularly-polarized spin and angle-resolved photoemission spectroscopy. We combine this technique in representative members…

Understanding and controlling the transport properties of interacting fermions is a key forefront in quantum physics across a variety of experimental platforms. Motivated by recent experiments in 1D electron channels written on the…

Spin-orbit coupling (SOC) is a relativistic effect, where an electron moving in an electric field experiences an effective magnetic field in its rest frame. In crystals without inversion symmetry, it lifts the spin degeneracy and leads to…

We perform a theoretical study of the leading pairing instabilities and the associated superconducting gap functions within the spin-fluctuation mediated pairing scenario in the presence of spin-orbit coupling (SOC). Focussing on iron-based…

Superconductivity · Physics 2019-09-04 Daniel D. Scherer , Brian M. Andersen

Combining graphene with transition metal dichalcogenides (TMDs) leads to enhanced spin-orbit coupling (SOC) in the graphene. The induced SOC has a large effect on the low-energy part of the band structure leading to or stabilizing novel…

The negligible intrinsic spin-orbit coupling (SOC) in graphene can be enhanced by proximity effects in stacked heterostructures of graphene and transition metal dichalcogenides (TMDCs). The composition of the TMDC layer plays a key role in…

Mesoscale and Nanoscale Physics · Physics 2022-09-20 Zahra Khatibi , Stephen R. Power

Proximity-induced spin-orbit coupling in graphene has led to the observation of intriguing phenomena like time-reversal invariant $\mathbb{Z}_2$ topological phase and spin-orbital filtering effects. An understanding of the effect of…

Mesoscale and Nanoscale Physics · Physics 2022-10-18 Priya Tiwari , Mohit Kumar Jat , Adithi Udupa , Deepa S. Narang , Kenji Watanabe , Takashi Taniguchi , Diptiman Sen , Aveek Bid

Recently, Bi-based compounds have attracted attentions because of the strong spin-orbit coupling (SOC). In this work, we figured out the role of SOC in ABi$_{3}$ (A=Sr and Ba) by theoretical investigation of the band structures, phonon…

Superconductivity · Physics 2015-10-21 D. F. Shao , X. Luo , W. J. Lu , L. Hu , X. D. Zhu , W. H. Song , X. B. Zhu , Y. P. Sun

Strong electron correlation and spin-orbit coupling (SOC) provide two non-trivial threads to condensed matter physics. When these two strands of physics come together, a plethora of quantum phenomena with novel topological order have been…

Mesoscale and Nanoscale Physics · Physics 2024-02-26 Jiang-Xiazi Lin , Ya-Hui Zhang , Erin Morissette , Zhi Wang , Song Liu , Daniel Rhodes , K. Watanabe , T. Taniguchi , James Hone , J. I. A. Li

The existence of a spin-orbit coupling (SOC) induced by the gradient of the effective mass in low-dimensional heterostructures is revealed. In structurally asymmetric quasi-two-dimensional semiconductor heterostructures the presence of a…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 A. Matos-Abiague
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